Nuns leave a polling station after voting in London as Britain holds a general election. Polls opened today in Britain’s closest general election for decades with voters deciding between the Conservative party, headed by prime minister David Cameron; the Labour party, headed by Ed Miliband and a host of smaller parties.

Pizza Express has created pizzas showing portraits of the leaders of the main political parties (left to right David Cameron, Ed Miliband and Nick Clegg) to celebrate this year’s General Election campaign. The prime minister’s portrait uses 89 olives to illustrate his customary dark suit and three stems of asparagus for his tie, while the deputy PM’s image uses a variety of peppers in his party colours. The leader of the opposition’s pizza portrait features Labour’s party colour using chillies, red peppers, cherry tomatoes and pepperoni

Conservative Party supporters wear Nicola Sturgeon masks during a photocall in Victoria Tower Gardens on Friday in London, England. The stunt was to warn of the risk of any possible coalition between the Labour Party and the SNP

Leicester Morrismen dance during May Day celebrations at Bradgate Park in Newtown Linford. The May Day Morris celebration is a traditional rite thought to be connected to changing seasons and fertility.

Deputy Prime Minister Nick Clegg and his wife Miriam Gonzalez Durantez help make a crumble at Ivy Lane Primary School as he canvasses with local Liberal Democrat candidate for Chippenham Duncan Hames on Wednesday in Chippenham, England